Speakerphone



FIG. 1 is a bottom perspective view of the speakerphone.

FIG. 2 is a front view thereof.

FIG. 3 is a back view thereof.

FIG. 4 is a top view thereof.

FIG. 5 is a bottom view thereof.

FIG. 6 is a side view thereof; and,

FIG. 7 is the other side view thereof.

The broken lines immediately adjacent the shaded areas represent the bounds of the claimed design while all other broken lines are directed to environment and are for illustrative purposes only; the broken lines form no part of the claimed design. 

The ornamental design for a speakerphone, as shown and described. 